test: replace anonymous function with arrow

PR-URL: #24526 Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Gireesh Punathil <[email protected]>

Author: codegagan

test/parallel/test-pipe-file-to-http.js

@@ -32,20 +32,20 @@ tmpdir.refresh();
 constfilename=path.join(tmpdir.path||'/tmp','big');
 letcount=0;
 
-constserver=http.createServer(function(req,res){
+constserver=http.createServer((req,res)=>{
 lettimeoutId;
 assert.strictEqual(req.method,'POST');
 req.pause();
 
-setTimeout(function(){
+setTimeout(()=>{
 req.resume();
 },1000);
 
-req.on('data',function(chunk){
+req.on('data',(chunk)=>{
 count+=chunk.length;
 });
 
-req.on('end',function(){
+req.on('end',()=>{
 if(timeoutId){
 clearTimeout(timeoutId);
 }
@@ -55,7 +55,7 @@ const server = http.createServer(function(req, res){
 });
 server.listen(0);
 
-server.on('listening',function(){
+server.on('listening',()=>{
 common.createZeroFilledFile(filename);
 makeRequest();
 });
@@ -73,14 +73,14 @@ function makeRequest(){
 assert.ifError(err);
 }));
 
-req.on('response',function(res){
+req.on('response',(res)=>{
 res.resume();
-res.on('end',function(){
+res.on('end',()=>{
 server.close();
 });
 });
 }
 
-process.on('exit',function(){
+process.on('exit',()=>{
 assert.strictEqual(count,1024*10240);
 });